Answer:
Total revenue =
dollars
Step-by-step explanation:

Integrate with respect to
.
∫
dx
Take 
Differentiate with respect to 

So,
∫
Use integration by parts: ∫f g dx = f∫ g dx-∫(∫g dx)f' dx
Therefore,
∫
=
∫
Put 

To find total revenue from the sale of the first 12 calculators, put 

Total revenue =
dollars
Answer:
what are the choices?
Step-by-step explanation:
21 3/16...as a decimal
the 21 is a whole number and goes to the left of the decimal....and the fraction 3/16 goes to the right of the decimal.
3/16 = 0.1875....now add ur 21 and u get 21.1875 inches wide
2 3/8....as a decimal
3/8 = 0.375....now put ur 2 in there and it becomes 2.375 inches thick
Answer:
c. 4.27
Step-by-step explanation:
We have been given the regression equation of for predicting number of speeding tickets (Y) from information about driver age (X) as
.
To find the predicted number of tickets for a twenty-year-old, we will substitute
in our given equation.



Therefore, the predicted number of tickets for a twenty-year-old would be 4.27 tickets.

Solve for x by cross multiplication


- Swap the sides of equation

- Divide both sides of equation by 30
